ENG
22
Malfunction analysis
Phenomenon
Check items
Solution
Odours are emitted
• Whether there’s odour source,
such as furniture and cigarette,
etc.
• Eliminate the odour source.
• Clean filter.
Air conditioner
operates abnormally
• Whether there’s interference,
such as thunder, wireless
devices, etc.
• Disconnect power, put back
power, and then turn on the
unit again.
“Water flowing” noise
• Air conditioner is turned on or
turned off just now?
• The noise is the sound of
refrigerant flowing inside
the unit, which is a normal
phenomenon.
Cracking noise
• Air conditioner is turned on or
turned off just now?
• This is the sound of friction
caused by expansion and/or
contraction of panel or other
parts due to the change of
temperature.
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